Well, I’m just finishing a cutting board for my niece. Bought some nice quarter-sawn white oak and it came out great. That is, until I sanded and then wet the surface to raise the grain. After wiping the surface with a damp rag, I noticed all these dark grain lines in the surface. The second pictures shows it well.
I am unsure if there was a reaction to the water or if the water removed the sanding dust and revealed that the sandpaper left it’s grit behind in the grain lines. I suspect the latter.
I tried to remove it by wetting the surface with alcohol and scrubbing with a clean toothbrush, but that had no effect.
Has anyone had this problem? And if so, what is the fix? I’m probably going to try scraping the surface again to remove it (finally got my #80 to work properly).
Matt, Northern California - Started a blog in 2016: http://tinyshopww.blogspot.com/
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